using System;

using System.Web.Mvc;

using System.Collections.Generic;

​

namespace HelloWorldMvcApp

{

    public class HomeController : Controller

    {

        [HttpGet]

        public ActionResult Index()

        {

            var item211 = new Item { ItemName = "item211" };

            var item212 = new Item { ItemName = "item212" };

​

            var item21 = new Item { ItemName = "item21", Children = new List<Item> { item211, item212 } };

            item211.Parent = item21;

            item212.Parent = item21;

            var item22 = new Item { ItemName = "item22" };

            var item23 = new Item { ItemName = "item23" };

​

            var item1 = new Item { ItemName = "item1", Children = new List<Item> { item21, item22, item23 } };

            item21.Parent = item1;

            item22.Parent = item1;

            item23.Parent = item1;

​

            return View(item1);

        }

    }

}